Environment
Unit: ug/m3
All 200 reporting countries — sort by value or name
200 countries · latest reported year each · PM2.5 annual mean exposure
Population-weighted annual PM2.5 exposure. Modeled estimate derived from satellite observations (MODIS/MISR), chemical transport models (GEOS-Chem), and ground monitor networks (OpenAQ + EPA + EEA + national stations). Methodology: Brauer et al., Health Effects Institute, State of Global Air. Redistributed via World Bank Open Data Terms (CC-BY 4.0).
Every fact rendered on a country page deep-links to this source. We don't copy values blindly — our ingestion pipeline fetches directly from the publisher and logs every run so the provenance chain is verifiable.
Source: World Bank (modeling: Brauer/HEI/IHME State of Global Air)Latest non-null value per country (200 reporting)
Across the 200 countries reporting, the world median is 20.0ug/m3. Both columns are sorted purely by value — interpretation (whether higher is "better") depends on the indicator.
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